The NGA chart library is now available from Landfall Navigation and are Printed on Demand (POD)
U.S. government produced. Formerly known as National Imagery and Mapping Agency (NIMA) and later Defense Mapping Agency (DMA), coverage includes international waters other than territories and possessions of the U.S. The standard Print-On-Demand charts are water-resistant with a tough coating for longer life. Bright colors make them easier to read under varying light conditions. However, these charts can be ordered three ways:
Standard Water Resistant paper measuring 36-40" x 40-44".
Waterproof paper: printed on a fully waterproof synthetic
material for longer life, stain resistance and durability.
Tri-fold paper: comes as a convenient 7" x 12" tri-fold.
Length varies by chart number. Tri-fold is only available for